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Finding the Fourth Proportional to 595,991.20, 892,820.40 and 358,628.80

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Solution

The fourth proportional to 595,991.20, 892,820.40 and 358,628.80 is: 537,241.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,991.20 : 892,820.40 = 358,628.80 : x
  2. Step 2: Convert to fraction form
    595,991.20/892,820.40 = 358,628.80/x
  3. Step 3: Cross multiply
    595,991.20x = 892,820.40 × 358,628.80
  4. Step 4: Simplify right side
    595,991.20x = 320,191,108,667.52
  5. Step 5: Solve for x
    x = 320,191,108,667.52/595,991.20
  6. Step 6: Final answer
    x = 537,241.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.